CN100516741C - Casting method and apparatus - Google Patents
Casting method and apparatus Download PDFInfo
- Publication number
- CN100516741C CN100516741C CNB2005800294682A CN200580029468A CN100516741C CN 100516741 C CN100516741 C CN 100516741C CN B2005800294682 A CNB2005800294682 A CN B2005800294682A CN 200580029468 A CN200580029468 A CN 200580029468A CN 100516741 C CN100516741 C CN 100516741C
- Authority
- CN
- China
- Prior art keywords
- crucible
- mould
- supporting member
- equipment
- vertical axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/06—Crucible or pot furnaces heated electrically, e.g. induction crucible furnaces with or without any other source of heat
- F27B14/061—Induction furnaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/005—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with heating or cooling means
- B22D41/01—Heating means
- B22D41/015—Heating means with external heating, i.e. the heat source not being a part of the ladle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/06—Equipment for tilting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/02—Crucible or pot furnaces with tilting or rocking arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/06—Induction heating, i.e. in which the material being heated, or its container or elements embodied therein, form the secondary of a transformer
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/003—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals by induction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Processing Of Solid Wastes (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The invention concerns a casting apparatus which includes a crucible support and induction heating means (14, 16, 18) arranged to receive and support a crucible (10) containing material which is to be melted and poured from an outlet (38). The outlet is positioned on a vertical axis (40). The support and induction heating means also operates to apply induction heating to the material to melt it in the crucible. There is also a translation mechanism which tilts the crucible while the crucible is still supported and while heat is continuously applied to it. This mechanism operates in such a way that during tilting, the outlet of the crucible is maintained on the vertical axis so that the molten material pours from the outlet on the vertical axis. In the embodiments described, the crucible is simultaneously moved vertically towards the mould into which the melt pours.
Description
Technical field
The present invention relates to a kind of casting method and equipment, relate in particular to the casting method and the equipment that adopt induction furnace.
Background technology
Induction furnace is a kind of like this device, causes the conductive material fusing thereby wherein respond to the generation electric current in conductive material by applying magnetic field.Material is heated because of power dissipation wherein, promptly said Ohmic heating, and this is owing to the resistivity of material when electric current flows through material.Traditional induction furnace is made up of the generator or the transverter (inverter) that produce alternating current or alternating voltage.
The present invention both can be used for current feed (current-fed) inverter system, also can be used for voltage feed (voltage-fed) inverter system, wherein produce the fixing alternating current of amplitude in the current feed inverter system, produce the fixing alternating voltage of amplitude in the voltage feed inverter system.In either case, electric current or the voltage induction coil by being the solenoid form is so that produce magnetic field around coil.Magnetic flux line has formed the shape of annular (toroidal), wherein, and the central axis of annular and the central axes of coil.Traditional method is that the material that will melt is arranged on the axis at hub of a spool place, magnetic flux density maximum there.Traditional method also is contained in the material of this position in the crucible.Along with the carrying out of fusing, existing solid phase material also has liquid phase material in the crucible.In order to reach higher castability, even if after melting fully, also be necessary to keep eddy-current heating, so that material is remained on superheat state.In case reach suitable temperature, material must be transferred in mould or the molding box.This usually pours into mould with its content or by the crucible acceleration is implemented under effect of inertia its content gushed out by the inclination crucible to export by stem bar (spout) or other.
In arbitrary system, all want mobile crucible.This moving is problematic in the traditional method, because this need disconnect solenoid or crucible is removed from solenoid.When mobile crucible, lacking under the situation of eddy-current heating, material is cooling rapidly.This cooling may reduce the quality of final casting.
The objective of the invention is to address this problem.
Summary of the invention
According to an aspect of the present invention, provide a kind of Casting Equipment, having comprised:
Crucible supports and induction heating apparatus, its setting is used for holding and support crucible, described crucible holds and will be melted and will export the material that waters out from crucible, this outlet is positioned on the vertical axis, and this support and induction heating apparatus can be operated so that material is implemented eddy-current heating it is melted in the crucible; And
Translating device (translation means), when this supports and induction heating apparatus continues support crucible and during to wherein material enforcement eddy-current heating, this translating device can be operated so that crucible is tilted, the material that causes melting waters out from the outlet of crucible, during tilting, this translating device constraint crucible makes outlet remain positioned on the vertical axis, thus, on vertical axis molten material is watered out from the crucible outlet at least substantially.
Preferred equipment further comprises the mould fastening that is used for supporting mould, this mould has import on vertical axis, inclination along with crucible, the material of fusing will be poured into this import from crucible, and, when operating with the inclination crucible, described translating device can be operated to cause that the opposing vertical motion takes place between crucible and the mould fastening, makes the material of fusing pour into the import of the mould that is supported by the mould fastening from crucible.
Described mould fastening can be fixed in vertical direction, and described translating device can be operated to move described crucible from initial position vertically downward towards described mould fastening.
Advantageously, described translating device comprise the rotatable and vertical supporting member that moves and above-mentioned supporting member around with horizontal axis rotation that vertical axis intersects in retrain the vertical mobile device of described supporting member, and, described crucible supports and induction heating apparatus is connected to above-mentioned supporting member, thereby make and vertically to move and rotate crucible and make crucible vertical when mobile when this supporting member, thereby the outlet of supported crucible is positioned on the vertical axis, and follows this axis.
Therefore, the molten material cooling problem that takes place is not promptly wished by keeping when watering out its content the eddy-current heating of material is solved above-mentioned problem at the inclination crucible in this aspect of the present invention.The motion of the present invention by control crucible during tilting makes the outlet be generally stem bar vertically move and further solved the problem that adapts to different die sizes towards mould along predetermined vertical axis.In practice, the import of mould will also be positioned on this axis, and the size of feasible not pipe mold how, and the molten material that waters out from crucible falls to entering the mould along vertical axis basically.
According to another aspect of the present invention, also provide a kind of casting method, described method comprises step: will treat that molten material puts into crucible, wherein said crucible has the outlet that is positioned on the vertical axis; Material in the crucible is implemented eddy-current heating to cause the material fusing; Mould is provided, and described mould has the die inlet on vertical axis; And the inclination crucible, keep simultaneously material is implemented eddy-current heating and simultaneously the outlet of described crucible remained on the vertical axis, so that the material of fusing is poured into the mould from crucible along vertical axis basically by described outlet.
Other features of method and apparatus of the present invention are set forth in claims.
Description of drawings
Describe the present invention in more detail now with reference to accompanying drawing, this description only supplies example, in the accompanying drawings:
Fig. 1 diagram illustrates the specific features according to Casting Equipment of the present invention;
Fig. 2 (a), 3 (a) and 4 (a) illustrate the operation of parts shown in Figure 1 in casting each perspective view in the step with the diagram of order perspective view;
Fig. 2 (b), 3 (b) and 4 (b) are respectively with front view diagram diagram and Fig. 2 (a), 3 (a) and the identical order of 4 (a);
Fig. 5 diagram illustrates the specific features of Casting Equipment according to another embodiment of the present invention; And
The other parts of Fig. 6 diagram diagram Casting Equipment of the present invention.
The specific embodiment
Parts shown in Fig. 1-4 form the part induction furnace.In Fig. 1, Reference numeral 10 expression crucibles, the material that is generally metal will be melted in crucible, and the material of fusing will be from crucible be poured into as shown in Figure 6 mould or molding box 12.Above-mentioned crucible is accommodated in the induction coil 14 with coil lead 16.As shown in the figure, coil 14 and lead-in wire 16 support for crucible provides completely.In some cases, also may need other mechanical support member to bear the weight of crucible and content thereof.For convenience of description, do not illustrate so other parts.
Coil lead 16 and the other mechanical support member under situation about being provided are connected to the rotatable and vertical supporting member 18 that moves at chuck 20 places.It is round fan-shaped that the shape of member 18 roughly is, the pivot axis 24 that this circle has circumference 22 and separates with chuck 20.Horizontally extending control arm 26 is connected to member 18 at axis 24 places.
One end 27 of cable 28 is connected to the fixed part of induction furnace framework.The opposite end 30 of cable 28 is attached to the periphery 22 of member 18 towards an end of member 18.In a similar manner, the opposite end 32 and 34 of another cable 36 periphery 22 that is connected to stationary frame structure and is connected to member 18 towards the other end of member 18.Should be noted that cable is arranged in the groove of member periphery.
The crucible outlet is the form of stem bar 38, and it is positioned on the axis 24.
During use, cause eddy-current heating to come the content of fusion crucible by the magnetic field that produces by coil 14.When the content of fusing will be poured in the mould 12, control arm 26 was as shown in arrow 37 mobile vertically downward.In practice, suitable driving mechanism can be set to move down control arm.
Moving downward of control arm 26 also makes member 18 move vertically downward, coil 14, the crucible 10 in addition that therewith move, if there is mechanical support member, then described mechanical support member also moves together.Simultaneously, the effect by cable 28 and 36 restraint devices of setting up causes member 18 as shown in arrow 39 around axis 24 rotations.Therefore, member 18 is carried out scroll actions, and wherein, the periphery of member 18 is effectively rolled on the vertical plane that comprises the cable vertical component effect.The effect of this motion is that crucible is tilted makes the content of its fusing water out from stem bar 38.
Fig. 2 (a) illustrates this order to 4 (a) and Fig. 2 (b) in 4 (b), also show simultaneously, and along with the crucible run-off the straight, stem bar 38 moves along the vertical axis 40 identical with axis 24, and axis 24 intersects with axis 40.Stem bar 38 along constant vertical-path, promptly move this point and mean and can expect that its content goes out at the same paths top-pour substantially along axis 24.In this, be appreciated that the vertical-path that material waters out can be different from described vertical axis slightly, particularly crucible by the situation of quick slant under.But still be expected in the normal running,, watered material and will follow the vertical-path that axis 24 is established at least substantially with normal pitch velocity.
The restraint devices different to 4 (a) and Fig. 2 (b) to the cable means shown in 4 (b) with Fig. 2 (a) also within the scope of the invention.Illustrate another example among Fig. 5, it has shown how to come confining part 18 experience rolling movement vertically by rack and pinion type mechanism.The part circumference of member 18 is formed with tooth 42, tooth 44 engagements on tooth 42 and the vertical fixing tooth bar 46.Be appreciated that in this case, during tilting along with member 18 moves vertically downward, thereby the stem bar of crucible equally suffers restraints and moves along vertical axis.
Run through rotation and the vertical translation that crucible experiences and remain eddy-current heating.Like this, can in melt, keep required high temperature as far as possible for a long time, so that guarantee to realize the high-quality casting.
Referring now to Fig. 6, it illustrates the other parts of Casting Equipment.The profile of mould or molding box 12 is the conical butt of taper, and mould or molding box 12 are contained in the tapered cradle (cradle) 50 by complementation.Mould 12 has central funnel shape import 52, and import 52 is positioned on the vertical axis 40, waters out the also molten material of vertical drop thereby vertically aim at stem bar 38 so that receive from crucible.
In this embodiment, mould has inner die cavity (invisible), and described inner die cavity is arranged on the radially outside position of import, and is connected with import by radial channels or passage (also invisible).Cage chair firmly is installed on the vertical axis 54 that is supported in the bearing block 56.V belt or toothed timing belt 57 act between the belt wheel 58 and another belt wheel 64 on the axle 54 of axle on 60, and axle 60 is driven by motor 62.In operation, cage chair 50 and mould 12 rotate around vertical axis.Therefore, watering out the molten material that enters import 52 from crucible outwards quickens to enter in the die cavity by the inner passage.Like this, the material of fusing is forced in the die cavity so that improve the quality of gained foundry goods.
The facility of the rotation adjustment that connects between solenoid coil and the member 18, promptly as mentioned above the rotation by chuck 20 to be adjusted at a lot of aspects also be favourable.It allows to set about member 18 initial orientation of crucible, promptly in the orientation of crucible original position.Suitably adjust by doing, can crucible be set at different melt volumes at this tie point place, promptly can set crucible the inclination angle in case member 18 move down and rotate beginning after begin cast immediately or very soon.This so the ability of using the mould with different depth, for example mould 12 and 70 are provided.Further, its by allow initial inclination and always be configured to make the stem bar of crucible or other outlets are properly oriented, drawing normal trajectories when moving and rotating in that member 18 is vertical, and be that the crucible of different capabilities is provided convenience.
As implied above, melt may be not water out from stem bar along axis 40 just in practice, when especially causing the melt band the certain level momentum when the crucible quick slant gushing out.In each concrete condition, in any case this equipment will be configured in the hope of guaranteeing that die inlet is placed on the path of mould material, even and if can not be also generally very near from vertical axis 40 on vertical axis 40 just.Also should correspondingly explain in this specification along the melt cast of vertical axis and be in the reference that the die inlet on the vertical axis is made.
Claims (19)
1. Casting Equipment comprises:
Crucible supports and induction heating apparatus, it is provided for holding and support crucible, described crucible holds the material that will be melted and water out from crucible outlet, described outlet is positioned on the vertical axis, and described support and induction heating apparatus can be operated so that described material is implemented eddy-current heating it is melted in the described crucible; And
Translating device, when described support and induction heating apparatus continue to support described crucible and material are wherein implemented eddy-current heating, described translating device can be operated so that described crucible is tilted, the material of fusing is watered out from the outlet of described crucible, during tilting, described translating device retrains described crucible makes described outlet remain positioned on the described vertical axis, thus, on described vertical axis molten material is watered out from the outlet of described crucible.
2. equipment as claimed in claim 1, and further comprise the mould fastening that is used for supporting mould, described mould has basic import on described vertical axis, inclination along with described crucible, the material of fusing will be poured into described import from described crucible, and, when operating with the described crucible that tilts, described translating device can be operated so that the opposing vertical motion takes place between described crucible and the described mould fastening, and makes the material of fusing pour into the import of the mould that is supported by described mould fastening from described crucible.
3. equipment as claimed in claim 2, wherein, described mould fastening is fixed in vertical direction, and described translating device can be operated to move described crucible from initial position vertically downward towards described mould fastening.
4. equipment as claimed in claim 3, wherein, described translating device comprises the rotatable and vertical supporting member that moves, and described supporting member around with horizontal axis rotation that described vertical axis intersects in retrain the vertical mobile restraint device of described supporting member, and, wherein, described crucible supports and induction heating apparatus is connected to described supporting member, make and move and rotation when described supporting member is vertical, thereby tilt described crucible and make described crucible vertical when mobile, thereby the outlet of supported crucible is positioned on the described vertical axis and follows this vertical axis.
5. equipment as claimed in claim 4, wherein, described crucible supports and induction heating apparatus comprises described crucible is contained in wherein solenoid coil, described coil is being connected to described supporting member with horizontal axis position spaced place, wherein, described supporting member can be around described horizontal axis rotation.
6. equipment as claimed in claim 5, wherein, described solenoid coil is connected to described supporting member to allow adjusting described crucible around horizontal axis with respect to the mode of the orientation of described supporting member.
7. as any described equipment in the claim 4 to 6, wherein, described supporting member has circular circumference, and described restraint device operate with vertical when mobile at described supporting member, make described supporting member rolling movement on this periphery.
8. equipment as claimed in claim 7, wherein, it is round fan-shaped that the shape of described supporting member is.
9. equipment as claimed in claim 8, wherein, described restraint device comprises cable, and every cables is attached to fixed structure at one end, and described cable has relative two ends, and described relative two ends are attached to described fan-shaped periphery at the position spaced place.
10. equipment as claimed in claim 8, wherein, described restraint device comprises intermeshing tooth, described tooth is on the described supporting member and on the fixing perpendicular elements, wherein, described supporting member serves as pinion, and described fixing perpendicular elements is served as the tooth bar that is used for pinion.
11. equipment as claimed in claim 3, wherein, described mould fastening comprises the device that is used to rotate described mould.
12. equipment as claimed in claim 11, wherein, described mould fastening comprises the device that is used to support the cage chair of described mould and is used to rotate described cage chair.
13. equipment as claimed in claim 12, and comprise mould, described mould comprises die cavity, and the import that described die cavity is arranged on described mould is outwardly position radially.
14. as claim 12 or 13 described equipment, wherein, described cage chair tapered with the mould that holds taper and to described in the mould of taper.
15. a casting method comprises step: will treat that molten material puts into crucible, wherein said crucible has the outlet that is positioned on the vertical axis; Material in the described crucible is implemented eddy-current heating so that the fusing of described material; Mould is provided, and described mould has basic die inlet on described vertical axis; And the described crucible that tilts, keep simultaneously described material is implemented eddy-current heating and simultaneously the outlet of described crucible remained on the described vertical axis, so that the material of fusing is poured into the mould from described crucible along described vertical axis basically by described outlet.
16. method as claimed in claim 15 is included in and makes the step that generation moves both vertically relatively between described crucible and the described mould during described crucible tilts.
17. method as claimed in claim 16, wherein, during described crucible tilted, described crucible moved towards described mould vertically downward.
18., be included in the step of rotating described mould when molten material is poured into described import as any described method in the claim 15 to 17.
19. method as claimed in claim 18 wherein, is provided with the cage chair that supports described mould, described cage chair is implemented rotation, thereby rotate described mould.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA200406995 | 2004-09-02 | ||
| ZA2004/6995 | 2004-09-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101044367A CN101044367A (en) | 2007-09-26 |
| CN100516741C true CN100516741C (en) | 2009-07-22 |
Family
ID=34967715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800294682A Expired - Fee Related CN100516741C (en) | 2004-09-02 | 2005-05-17 | Casting method and apparatus |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7775257B2 (en) |
| EP (1) | EP1787078B1 (en) |
| JP (1) | JP2008511448A (en) |
| CN (1) | CN100516741C (en) |
| AT (1) | ATE383559T1 (en) |
| DE (1) | DE602005004300T2 (en) |
| WO (1) | WO2006024899A1 (en) |
| ZA (1) | ZA200701821B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8799078B1 (en) * | 2008-10-30 | 2014-08-05 | Google Inc. | Advertising value tools |
| DE102012109248A1 (en) * | 2012-09-28 | 2014-04-03 | Fluxana GmbH & Co. KG | Preparation of analysis samples |
| CN104384491A (en) * | 2014-11-21 | 2015-03-04 | 重庆易初机械有限公司 | Simple ladle buggy facilitating flip discharge |
| CN110340342A (en) * | 2019-08-12 | 2019-10-18 | 湖南城市学院 | A kind of casting device of aluminium alloy molding |
| CN111957911B (en) * | 2020-08-21 | 2021-08-24 | 浙江英洛华磁业有限公司 | Heat preservation power adjusting method during neodymium iron boron smelting and casting |
| CN113976868B (en) * | 2021-09-22 | 2023-04-07 | 浙江金汇华特种耐火材料有限公司 | Steelmaking package |
| DE102022108235A1 (en) | 2022-04-06 | 2023-10-12 | Otto-von-Guericke-Universität Magdeburg, Körperschaft des öffentlichen Rechts | INDUCTION MELTING DEVICE AND MODULAR SYSTEM FOR MOLD |
| CN116393684B (en) * | 2023-06-07 | 2023-08-15 | 宁波力劲科技有限公司 | Gravity casting machine and casting method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62292249A (en) * | 1986-06-13 | 1987-12-18 | Yoshida Dental Mfg Co Ltd | Centrifugal casting machine |
| DE59307156D1 (en) * | 1992-10-07 | 1997-09-25 | Mezger Ag Maschf Giesserei | Method and device for controlling the movement of a ladle in a casting plant |
| JPH06142120A (en) * | 1992-11-10 | 1994-05-24 | Yayoi Steel Kk | Casting method and casting machine |
| FR2726211B1 (en) | 1994-10-31 | 1997-01-17 | Seva | A POCKET FOR HEATING AND CASTING LIQUID METALS |
| JP2911390B2 (en) * | 1995-06-22 | 1999-06-23 | 有限会社瑞穂工芸 | Casting method and casting apparatus |
| CA2229039A1 (en) | 1995-08-07 | 1997-02-20 | M4 Environmental L.P. | Method and apparatus for pouring molten material |
| JPH10193080A (en) | 1997-01-06 | 1998-07-28 | Fuji Electric Co Ltd | Crucible type automatic molten metal pouring furnace |
-
2005
- 2005-05-17 AT AT05739830T patent/ATE383559T1/en not_active IP Right Cessation
- 2005-05-17 JP JP2007529013A patent/JP2008511448A/en active Pending
- 2005-05-17 CN CNB2005800294682A patent/CN100516741C/en not_active Expired - Fee Related
- 2005-05-17 DE DE602005004300T patent/DE602005004300T2/en active Active
- 2005-05-17 EP EP05739830A patent/EP1787078B1/en not_active Not-in-force
- 2005-05-17 ZA ZA200701821A patent/ZA200701821B/en unknown
- 2005-05-17 US US11/661,735 patent/US7775257B2/en not_active Expired - Fee Related
- 2005-05-17 WO PCT/IB2005/001329 patent/WO2006024899A1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| US20080314547A1 (en) | 2008-12-25 |
| US7775257B2 (en) | 2010-08-17 |
| DE602005004300T2 (en) | 2009-01-15 |
| WO2006024899A1 (en) | 2006-03-09 |
| DE602005004300D1 (en) | 2008-02-21 |
| EP1787078A1 (en) | 2007-05-23 |
| CN101044367A (en) | 2007-09-26 |
| ZA200701821B (en) | 2008-11-26 |
| EP1787078B1 (en) | 2008-01-09 |
| ATE383559T1 (en) | 2008-01-15 |
| JP2008511448A (en) | 2008-04-17 |
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